1. Wittgenstein's combustion chamber by John Cater, and Ian Lemco Notes & Records Volume 63(1):95-104 March 20, 2009 ©2009 by The Royal Society

2. Group photograph of the Physics Department, Manchester University, 1910.21 Professor Schuster FRS preceded Rutherford as head of the Physics Department. John Cater, and Ian Lemco Notes Rec. R. Soc. 2009;63:95- 104 ©2009 by The Royal Society

3. John Cater, and Ian Lemco Notes Rec. R. Soc. 2009;63:95- 104 ©2009 by The Royal Society

4. John Cater, and Ian Lemco Notes Rec. R. Soc. 2009;63:95- 104 ©2009 by The Royal Society

5. John Cater, and Ian Lemco Notes Rec. R. Soc. 2009;63:95- 104 ©2009 by The Royal Society